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#586223 - 08/10/02 11:09 PM Trending Analysis
David Offline


Registered: 05/27/02
Posts: 194
Loc: Roxboro, NC
I thought it would be good to show some trending from Shell Rotella 15w40 through two changes on Schaeffer Supreme 7000 15w40. This is a ITC 5000 Dump Truck. about 300-350 miles a day (short trips)

----------Rotella-----Supreme 7000---Supreme 7000
*************************************************
Miles/unit--119,853-----135,232-------170,742
Miles/oil-----9,897------15,382--------17,771
Copper---------2-----------3-------------2
Iron----------25----------37-------------24
Aluminum-------1-----------2--------------1
Lead-----------2-----------6--------------0
Molybdenum-----0----------100-----------155
Phosphorus---1325---------1103---------1307
Zinc---------1485---------1219---------1527
Silicon---------1-----------4------------2
Vis.---------14.32--------14.83---------14.39
sulfur--------37----------15-------------16
oxidation------0-----------9--------------5
nitration------2----------10--------------6
soot----------21----------32-------------11
-------------------------(#1)-----------(#2)
#1 Lab suggest increase oil drain to 18,500 miles
#2-Lab suggest increase oil drain to 21,000 miles

comments welcome [stretch]

[ August 11, 2002, 04:46 PM: Message edited by: David ]

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#586224 - 08/11/02 12:18 AM Re: Trending Analysis
Patman Offline



Registered: 05/27/02
Posts: 19475
Loc: Oakville, Ontario
I'm curious how it's possible on that first analysis, to have an oxidation of zero?

Also, it's interesting to see more moly on the very first change with Schaeffers. I would have thought it would be less on the first interval, due to the moly plating up, then on the second interval it would show more moly.

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#586225 - 08/11/02 01:45 AM Re: Trending Analysis
David Offline


Registered: 05/27/02
Posts: 194
Loc: Roxboro, NC
quote:
Originally posted by Patman:
I'm curious how it's possible on that first analysis, to have an oxidation of zero?.

Patman, It had to be a mistake,I think

quote:
Also, it's interesting to see more moly on the very first change with Schaeffers. I would have thought it would be less on the first interval, due to the moly plating up, then on the second interval it would show more moly.[/QB]
The moly was a mistake on my part, it was 155 not 73
Thank you for pointing that out! I will edit the post. [Duh!]

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#586226 - 08/11/02 05:53 AM Re: Trending Analysis
Patman Offline



Registered: 05/27/02
Posts: 19475
Loc: Oakville, Ontario
It's yet another great analysis for Schaeffers! I'm getting more and more excited about
putting this oil in my car. I've only got 1645 miles to go! [Big Grin]

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#586227 - 08/11/02 07:19 AM Re: Trending Analysis
Johnny Offline


Registered: 05/27/02
Posts: 14013
Loc: Retired | Wausau, WI
Those are very good numbers. I would have liked to see the Shell run for 15,000 + miles to see what it would have looked like. At 9,800 miles the Shell looked very good also.

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